Universiti Teknologi Malaysia Institutional Repository

On the sensitivity of poisson EWMA control chart

Abujiya, Mu’azu Ramat and Farouk, Abbas Umar and Lee, Muhammad Hisyam and Mohamad, Ismail (2013) On the sensitivity of poisson EWMA control chart. International Journal of Humanities and Management Sciences (IJHMS), 1 (1). pp. 18-22. ISSN 2320-4044

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Abstract

Until recently, the application of the runs rules was restricted to the Shewhart-type control charts. In this paper, we propose an EWMA control chart with fast initial response (FIR) using ?? ??/ runs rule scheme for monitoring Poisson observations. Using Monte Carlo simulations, we studied and compared the average run length (ARL), the Average Ratio ARL (ARARL), the Average Extra Quadratic Loss (AEQL) and the Performance Comparison Index (PCI) of the proposed runs rule FIR Poisson EWMA chart with some other Poisson EWMA procedures. It is shown that the use of runs rule and FIR feature has substantially increased the sensitivity of Poisson EWMA control chart without decreasing the out-of-control ARL. The proposed chart is more effective in detecting moderate shifts in Poisson process than some of the existing procedures.

Item Type:Article
Subjects:Q Science
Divisions:Science
ID Code:40948
Deposited By: Liza Porijo
Deposited On:20 Aug 2014 16:19
Last Modified:22 Aug 2017 15:52

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